Git-删除文件后找回-比较文件差异

#前提：删除前，文件存在是的状态提交到了本地库
#操作： git reset --hard 指针位置
　　　　删除操作已近提交到本地库：指针指向历史记录
　　　　

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work
$ cd Test/

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ vim aaa.txt

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git add aaa.txt
warning: LF will be replaced by CRLF in aaa.txt.
The file will have its original line endings in your working directory

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git commit -m "new txt" aaa.txt
warning: LF will be replaced by CRLF in aaa.txt.
The file will have its original line endings in your working directory
[master 5723a86] new txt
  file changed,  insertions(+)
 create mode  aaa.txt

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git status
On branch master
nothing to commit, working tree clean

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ rm aaa.txt

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ ll
total
-rw-r--r-- 1 linxianli 1049089 125 四月   25 16:32 good.txt

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git status
On branch master
Changes not staged for commit:
  (use "git add/rm <file>..." to update what will be committed)
  (use "git checkout -- <file>..." to discard changes in working directory)

        deleted:    aaa.txt

no changes added to commit (use "git add" and/or "git commit -a")

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git refloog
git: 'refloog' is not a git command. See 'git --help'.

The most similar command is
        reflog

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git reflog
5723a86 (HEAD -> master) HEAD@{}: commit: new txt
c37331e HEAD@{}: reset: moving to HEAD
c37331e HEAD@{}: reset: moving to c37331e
c37331e HEAD@{}: reset: moving to c37331e
dbc8b46 HEAD@{}: reset: moving to HEAD^
c37331e HEAD@{}: reset: moving to c37331e
ea4d3ce HEAD@{}: commit:
c37331e HEAD@{}: commit:
dbc8b46 HEAD@{}: commit:
719c75a HEAD@{}: commit:
ca821b6 HEAD@{}: commit:
060a421 HEAD@{}: commit:
8d1f64d HEAD@{}: commit:
de0c64e HEAD@{}: commit:
9718c85 HEAD@{}: commit: second commit,modify
14e7a11 HEAD@{}: commit (initial): first commit

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git reset --hard ^C

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git reset --hard 5723a86
HEAD is now at 5723a86 new txt

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ ll
total
-rw-r--r-- 1 linxianli 1049089  12 四月   26 11:42 aaa.txt
-rw-r--r-- 1 linxianli 1049089 125 四月   25 16:32 good.txt

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$

比较文件差异：

　　　　git diff [文件名]

　　　　　　将工作区的文件和暂存区的文件进行比较

　　　　  git diff [本地库中的历史版本] [文件名]

　　　　　　　将工作区中的文件和本地库的历史记录进行比较

　　　　　git diff

　　　　　　　不带文件名就是比较多个文件

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ vim good.txt

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git diff
diff --git a/good.txt b/good.txt
index 5e87980..69eb60a
--- a/good.txt
+++ b/good.txt
@@ -, +, @@ ijfksdahkfh
 kjlhkjhkjs
 dsaklfhkjla
 sdfsfsfsdfdsf
+ABC

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$ git diff HEAD
diff --git a/aaa.txt b/aaa.txt
index 051eb5a..f2be101
--- a/aaa.txt
+++ b/aaa.txt
@@ -, +, @@
 aa a
 bbbb
+vvvvv
diff --git a/good.txt b/good.txt
index 5e87980..69eb60a
--- a/good.txt
+++ b/good.txt
@@ -, +, @@ ijfksdahkfh
 kjlhkjhkjs
 dsaklfhkjla
 sdfsfsfsdfdsf
+ABC

linxianli@VM-QS- MINGW64 /c/LXL Working-Place/Git-Work/Test (master)
$